Malicious spam hits 2-year high

Make sure your organization’s spam filters are up to date – and the same goes for your user training on how to avoid downloading malware through incoming emails.

According to recent research, the amount of spam being sent is rising — and more of it contains malicious attachments, too.

The number of malicious spam emails trying to get to in-boxes has reached a two-year high, according to a recent report by M86 Security Labs. Last week, M86 says, malicious emails made up an unusually high 13% of all spam sent.

The firm identified five recent scams that have contributed to the spike in malware:

  1. A phony message from FedEx about a failed delivery
  2. A message announcing that a credit card payment has been blocked
  3. A generic email that claims to include an attached invoice
  4. A message containing an attached “changelog”, and
  5. A phony confirmation for a hotel booking.

Those messages all contain attachments that recipients are supposed to download for more information.

Given the spike in malicious spam, it may be a good time to remind users not to open email attachments unless they’re absolutely certain what the file will be.

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